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Felsite
Felsite

Teschenite
Teschenite



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Felsite vs Teschenite

Definition

Definition

Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition
Teschenite is coarse- to fine-grained, dark-coloured intrusive igneous rock that usually occurs in sills, dikes and irregular masses and is always altered to some extent

History

Origin

-
Scotland

Discoverer

Unknown
Unknown

Etymology

From English feldspar and -ite
From its occurrence near Teschen. now known as Cieszyn, Pol., Scotland

Class

Igneous Rocks
Igneous Rocks

Sub-Class

Durable Rock, Medium Hardness Rock
Durable Rock, Hard Rock

Family

Group

Volcanic
Plutonic

Other Categories

Fine Grained Rock, Opaque Rock
Coarse Grained Rock, Opaque Rock

Texture

Texture

Arborescent Patterned, Vitreous
Phaneritic

Color

Black, Blue, Brown, Green, Orange, Red, Tan, Yellow
Dark Grey to Black

Maintenance

Less
Less

Durability

Durable
Durable

Water Resistant

Scratch Resistant

Stain Resistant

Wind Resistant

Acid Resistant

Appearance

Layered, Banded, Veined and Shiny
Veined and Shiny

Uses

Architecture

Interior Uses

Decorative Aggregates, Flooring, Interior Decoration
Countertops, Decorative Aggregates, Entryways, Homes, Interior Decoration

Exterior Uses

Paving Stone, Garden Decoration
As Building Stone, As Facing Stone, Paving Stone, Garden Decoration, Office Buildings

Other Architectural Uses

Curbing
Curbing

Industry

Construction Industry

Arrowheads, Cutting Tool, Knives, Scrapers, Spear Points
As Dimension Stone, Building houses or walls, Cement Manufacture, Construction Aggregate, for Road Aggregate

Medical Industry

Surgery
-

Antiquity Uses

Artifacts
Artifacts, Sculpture

Other Uses

Commercial Uses

Mirror, Jewelry
Cemetery Markers, Commemorative Tablets, Creating Artwork, Laboratory bench tops, Jewelry, Sea Defence, Tombstones

Types

Types

Igneous rock
Igneous rock

Features

Available in Lots of Colors and Patterns, Clasts are smooth to touch, Splintery, Very fine grained rock
Smooth to touch

Archaeological Significance

Monuments

-
-

Famous Monuments

-
-

Sculpture

-
-

Famous Sculptures

-
-

Pictographs

-
-

Petroglyphs

-
-

Figurines

-
-

Fossils

Absent
Absent

Formation

Formation

Felsite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.
Teschenite is a fine-grained, hard rock which is a type of metasomatite, essentially altered basalt. It forms with or without crystallization, either below the surface as intrusive rocks or on the surface as extrusive rocks.

Composition

Mineral Content

Feldspar, Iron Oxides
Augite, Olivine, Plagioclase, Pyroxene

Compound Content

Aluminium Oxide, CaO, Iron(III) Oxide, FeO, Potassium Oxide, MgO, MnO, Sodium Oxide, Phosphorus Pentoxide, Silicon Dioxide, Titanium Dioxide
Aluminium Oxide, CaO, Chromium(III) Oxide, Iron(III) Oxide, Potassium Oxide, MgO, Sodium Oxide, Silicon Dioxide, Sulfur Trioxide

Transformation

Metamorphism

Types of Metamorphism

Burial Metamorphism, Contact Metamorphism, Impact Metamorphism, Regional Metamorphism
Burial Metamorphism, Cataclastic Metamorphism, Contact Metamorphism, Hydrothermal Metamorphism, Impact Metamorphism, Regional Metamorphism

Weathering

Types of Weathering

Biological Weathering, Chemical Weathering, Mechanical Weathering
Biological Weathering, Chemical Weathering, Mechanical Weathering

Erosion

Types of Erosion

Chemical Erosion, Glacier Erosion, Water Erosion
Chemical Erosion, Coastal Erosion, Glacier Erosion, Sea Erosion, Water Erosion, Wind Erosion

Properties

Physical Properties

Hardness

5-5.57
1 7
👆🏻

Grain Size

Fine Grained
Coarse Grained

Fracture

Conchoidal
Conchoidal

Streak

White
Black

Porosity

Very Less Porous
Highly Porous

Luster

Vitreous
-

Compressive Strength

0.15 N/mm2225.00 N/mm2
0.15 450
👆🏻

Cleavage

-
-

Toughness

-
1.6

Specific Gravity

2.6-2.72.86-2.87
0 8.4
👆🏻

Transparency

Translucent
Opaque

Density

2.6 g/cm32.7-3.3 g/cm3
0 1400
👆🏻

Thermal Properties

Specific Heat Capacity

0.92 kJ/Kg K0.79 kJ/Kg K
0.14 3.2
👆🏻

Resistance

Heat Resistant, Impact Resistant
Impact Resistant, Pressure Resistant, Wear Resistant

Reserves

Deposits in Eastern Continents

Asia

Afghanistan, Indonesia, Japan, Russia
India, Russia

Africa

Kenya
South Africa

Europe

Greece, Hungary, Iceland, Italy, Turkey
Germany, Greece, Italy, Scotland, Turkey

Others

-
Greenland

Deposits in Western Continents

North America

Canada, Mexico, USA
Canada, USA

South America

Argentina, Chile, Ecuador, Peru
Brazil, Colombia, Venezuela

Deposits in Oceania Continent

Australia

New Zealand
New Zealand, Queensland

Felsite vs Teschenite Information

Earth’s outer layer is covered by rocks and these rocks have different physical and chemical properties. As two rocks are not same, it’s fun to compare them. You can also know more about Felsite and Teschenite Reserves. Felsite is a very fine grained volcanic rock that may or may not contain larger crystals and light colored rock that typically requires petrographic examination or chemical analysis for more precise definition. Teschenite is coarse- to fine-grained, dark-coloured intrusive igneous rock that usually occurs in sills, dikes and irregular masses and is always altered to some extent. These rocks are composed of many distinct minerals. The process of formation of rocks is different for various rocks. Rocks are quarried from many years for various purposes. You can check out Felsite vs Teschenite information and Felsite vs Teschenite characteristics in the upcoming sections.

Felsite vs Teschenite Characteristics

Though some rocks look identical, they have certain characteristics which distinguish them from others. Characteristics of rocks include texture, appearance, color, fracture, streak, hardness etc. Felsite vs Teschenite characteristics assist us to distinguish and recognize rocks. Also you can check about Properties of Felsite and Properties of Teschenite. Learn more about Felsite vs Teschenite in the next section. The interior uses of Felsite include Decorative aggregates, Flooring and Interior decoration whereas the interior uses of Teschenite include Countertops, Decorative aggregates, Entryways, Homes and Interior decoration. Due to some exceptional properties of Felsite and Teschenite, they have various applications in construction industry. The uses of Felsite in construction industry include Arrowheads, Cutting tool, Knives, Scrapers, Spear points and that of Teschenite include As dimension stone, Building houses or walls, Cement manufacture, Construction aggregate, For road aggregate.

More about Felsite and Teschenite

Here you can know more about Felsite and Teschenite. The life cycle of a rock consists of formation of rock, composition of rock and transformation of rock. The composition of Felsite and Teschenite consists of mineral content and compound content. The mineral content of Felsite includes Feldspar, Iron Oxides and mineral content of Teschenite includes Augite, Olivine, Plagioclase, Pyroxene. You can also check out the list of all Igneous Rocks. When we have to compare Felsite vs Teschenite, the texture, color and appearance plays an important role in determining the type of rock. Felsite is available in black, blue, brown, green, orange, red, tan, yellow colors whereas, Teschenite is available in dark grey to black colors. Appearance of Felsite is Layered, Banded, Veined and Shiny and that of Teschenite is Veined and Shiny. Properties of rock is another aspect for Felsite vs Teschenite. The hardness of Felsite is 5-5.5 and that of Teschenite is 7. The types of Felsite are Igneous rock whereas types of Teschenite are Igneous rock. Streak of rock is the color of powder produced when it is dragged across an unweathered surface. The streak of Felsite is white while that of Teschenite is black. The specific heat capacity of Felsite is 0.92 kJ/Kg K and that of Teschenite is 0.79 kJ/Kg K. Depending on the properties like hardness, toughness, specific heat capacity, porosity etc., rocks are resistant to heat, wear, impact, etc.Felsite is heat resistant, impact resistant whereas Teschenite is impact resistant, pressure resistant, wear resistant.